Não informado. (2008). B-ENT. Royal Belgian Society for Ear, Nose, Throat, Head and Neck Surgery.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. B-ENT. Leuven, Belgica: Royal Belgian Society for Ear, Nose, Throat, Head and Neck Surgery, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. B-ENT. Royal Belgian Society for Ear, Nose, Throat, Head and Neck Surgery, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.